Vertical barrier fresnel lens array for infrared motion detector systems



The single FIGURE is a front elevational view of a vertical barrierfresnel lens array for infrared motion detector systems showing my newdesign, the lens array being a flat, rectangular, thin sheet having afront surface with grooves thereon and a plain, smooth, rear surfacewith no ornamentation.

The ornamental design for a vertical barrier fresnel lens array forinfrared motion detector systems, as shown and described.